Jayabalambika commited on
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19f8b3a
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Create app.py

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  1. app.py +71 -0
app.py ADDED
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+ def plot_penalties():
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+
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+
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+
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+
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+ # Plot the results
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+ plt.clf()
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+
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+
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+ l1_color = 'r'
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+ l2_color = 'g'
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+ elastic_net_color = 'b'
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+
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+ line = np.linspace(-1.5, 1.5, 1001)
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+ xx, yy = np.meshgrid(line, line)
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+
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+ l2 = xx**2 + yy**2
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+ l1 = np.abs(xx) + np.abs(yy)
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+ rho = 0.5
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+ elastic_net = rho * l1 + (1 - rho) * l2
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+ fig = plt.figure(figsize=(10, 10), dpi=100)
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+
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+ ax = plt.gca()
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+
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+ elastic_net_contour = plt.contour(
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+ xx, yy, elastic_net, levels=[1], colors=elastic_net_color
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+ )
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+ l2_contour = plt.contour(xx, yy, l2, levels=[1], colors=l2_color)
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+ l1_contour = plt.contour(xx, yy, l1, levels=[1], colors=l1_color)
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+ ax.set_aspect("equal")
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+ ax.spines["left"].set_position("center")
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+ ax.spines["right"].set_color("none")
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+ ax.spines["bottom"].set_position("center")
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+ ax.spines["top"].set_color("none")
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+
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+ plt.clabel(
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+ elastic_net_contour,
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+ inline=1,
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+ fontsize=18,
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+ fmt={1.0: "elastic-net"},
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+ manual=[(-1, -1)],)
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+ plt.clabel(l2_contour, inline=1, fontsize=18, fmt={1.0: "L2"}, manual=[(-1, -1)])
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+ plt.clabel(l1_contour, inline=1, fontsize=18, fmt={1.0: "L1"}, manual=[(-1, -1)])
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+
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+ plt.tight_layout()
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+ # plt.show()
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+ return fig
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+
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+
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+
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+
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+ title = "SGD Penalties"
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+
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+
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+ with gr.Blocks(title=title) as demo:
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+ gr.Markdown(f"# {title}")
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+
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+
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+ gr.Markdown(" **[Demo is based on sklearn docs](https://scikit-learn.org/stable/auto_examples/linear_model/plot_sgd_penalties.html#sphx-glr-auto-examples-linear-model-plot-sgd-penalties-py)**")
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+
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+ # greet_btn.click(fn=greet, inputs=name, outputs=output)
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+ x = gr.Dropdown(["red", "blue", "green"], label="l1_color", type="index"),
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+ y = gr.Dropdown(["red", "blue", "green"], label="l2_color", type="index"),
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+ z = gr.Dropdown(["red", "blue", "green"], label="elastic_net_color", type="index"),
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+
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+ btn = gr.Button(value="Visualize SGD penalties")
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+ btn.click(plot_penalties, outputs= gr.Plot() ) #
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+
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+
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+
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+ demo.launch()